Galvanic’s 903 H2S Analyser is an online instrument designed to measure hydrogen sulphide (H2S) and / or total sulphur in natural gas and gaseous streams. A single analyser can be configured to monitor up to four (4) streams.

The instrument’s advanced digital colorimetric sensor measures the rate of darkening caused by the reaction of H2S on white tape impregnated with lead acetate in accordance with ASTM methods D4084-94, D4323-97 and D4468-95.